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What Causes Abnormal Noise in Motorcycle Chargers During Charging?

1 Answers

ElizaFitz

07/30/25 8:09am

When a motorcycle charger has been dropped or is aging, it can cause abnormal noise during charging. Additionally, using substandard chargers for motorcycles can also lead to abnormal noise. Types of Electric Motorcycle Chargers: There are various types of electric vehicle chargers. Some use fans for heat dissipation, while others rely on heat sinks. Fan-based chargers offer better cooling performance but produce more noise. Heat sinks, though quieter, are less efficient at cooling. However, they share a common feature: all use a three-stage variable-frequency charging method, which is protective for lead-acid batteries. A crucial component in their circuits is the high-frequency transformer. If the charger is substandard or has been dropped, this component can also generate noise due to high-frequency resonance. Solutions for Abnormal Noise: After disconnecting the power for five minutes, open the charger casing. Inside, you will find a large black block resembling a magnet. Apply universal adhesive or insulating varnish along its seams, then let it dry.

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